Method of Regional Environmental Risk Assessment for Reservoir Type Drinking-water Source

摘要

Regional environmental risk assessment of drinking- water source is considered a very effective way for us to find out the security situation and hidden danger of Drinking-water source and to discriminate the high-quality drinking-water sources for differentiated management.In this paper,reservoir type drinking-water source is selected as the object of assessment.An index system consisted of 2 parts (pollutant risk assessment index system and risk-resisting ability assessment index system) is built to qualitative and semi-quantitative evaluate.We sort out a pollutant source list which is suitable for China and at last established a practical regional environmental risk assessment method.Two reservoir-type water sources in Zhejiang Province are selected as the objects for case application.Assessment results shows that this method can discriminate the drinking-water source by the value of regional environmental risk clearly.